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MC12322-6 — VALVE,REGULATING,SYSTEM PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MC12322-6: VALVE,REGULATING,SYSTEM PRESSURE.

VALVE,REGULATING,SYSTEM PRESSURE. Key specifications include end_item_identification: USED ON V-22 AIRCRAFT, criticality_code_justification: AGAV, part_name_assigned_by_controlling_agency: RAMP CONTROL VALVE, reference_number_differentiating_characteristics: AS INDICATED ON DRAWING 901-380-043. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-464-8840, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MC12322-6
NSN: 4820-01-464-8840
FSC: 4820 — Valves, Nonpowered
CAGE: 99643 — EATON AEROSPACE LLC DBA EATON AEROSPACE JACKSON (USA)
SPECIFICATIONS
end_item_identificationUSED ON V-22 AIRCRAFT
criticality_code_justificationAGAV
part_name_assigned_by_controlling_agencyRAMP CONTROL VALVE
reference_number_differentiating_characteristicsAS INDICATED ON DRAWING 901-380-043
NSN4820-01-464-8840
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MC12322-6 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS INDICATED ON DRAWING 901-380-043
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONAGAV
PART NAME ASSIGNED BY CONTROLLING AGENCYRAMP CONTROL VALVE
END ITEM IDENTIFICATIONUSED ON V-22 AIRCRAFT
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS INDICATED ON DRAWING 901-380-043
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
901-380-043-105Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MC12322-6?
MC12322-6 is a VALVE,REGULATING,SYSTEM PRESSURE.
What parts can replace MC12322-6?
There is 1 known substitute for MC12322-6: 901-380-043-105. Substitute compatibility should be verified for your specific system.
What is the NSN for MC12322-6?
MC12322-6 is cataloged in the U.S. Government catalog under NSN 4820-01-464-8840. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.